The index opened lower following Wall Street losses and fell further. It has lost ground for three straight sessions.

Individuals bought a net 244-billion-won worth of stocks and foreign investors sold a net 156.8-billion-won worth of shares. Institutions sold a net 91.8 billion won of stocks.

“Despite media reports that the signing of a trade deal between the United States and China is imminent, investors are still cautious and remain leery of details of the potential agreement,” said Seo Sang-young, an analyst at Kiwoom Securities.

On Monday, U.S. Secretary of State Mike Pompeo said trade talks with China “can fall apart at the last minute,” though he expressed optimism about a “successful” deal. On Tuesday, Chinese officials also said the two sides are still working on details as there are multiple unresolved issues.